1443430422 has 64 divisors (see below), whose sum is σ = 3703741440. Its totient is φ = 408146688.

The previous prime is 1443430397. The next prime is 1443430423. The reversal of 1443430422 is 2240343441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443430423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16983 + ... + 56349.

It is an arithmetic number, because the mean of its divisors is an integer number (57870960).

Almost surely, 2^1443430422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1443430422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1851870720).

1443430422 is an abundant number, since it is smaller than the sum of its proper divisors (2260311018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1443430422 is a wasteful number, since it uses less digits than its factorization.

1443430422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39482 (or 39476 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1443430422 is about 37992.5048134497. The cubic root of 1443430422 is about 1130.1392320673.

Adding to 1443430422 its reverse (2240343441), we get a palindrome (3683773863).

The spelling of 1443430422 in words is "one billion, four hundred forty-three million, four hundred thirty thousand, four hundred twenty-two".